... ,5 wires(CR01/02/03/04/05/06) Control Way:on/off,open autimatically when power-of,3-wires control,5-wires ... ,15mm,20mm,25mm,32mmSpecial function:Position indicator;quick opensignal feedback,manual overridefail safe(auto-return) functionTorque output: 2NM-6NMVoltage:DC3-6V,DC5V ... output torque.18.Smooth flow, no block up19.Tight close, no leakage20.The power is cut off when the valve reaches the on/off ...